It could be a bad clutch of doms, but it could also be that trust hasn't been gained yet by either you or the dom. There has to be trust or you are not going to be willing to do anything any dom says to do. How can you tell someone else your limits if you don't yet know them, those are something you learn as you go along. Real subs are made and trained, not all of them are natural born subs. At least that is what I have come to find. I hope this helped you.